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Contract OI history

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Dec 18, 2026 EXPIRATION

TMO $610.00 Put

TMO261218P00610000

Latest saved OI409Oct 23, 2026
Last change+5vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TMO $610.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 4092040 2026-10-02: 72 OI2026-10-05: 72 OI2026-10-06: 72 OI2026-10-07: 387 OI2026-10-08: 387 OI2026-10-09: 387 OI2026-10-13: 387 OI2026-10-14: 387 OI2026-10-15: 389 OI2026-10-16: 391 OI2026-10-21: 404 OI2026-10-23: 409 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

TMO contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026409+5
Oct 21, 2026Viewing404+13
Oct 16, 2026391+2
Oct 15, 2026389+2
Oct 14, 20263870
Oct 13, 20263870
Oct 09, 20263870
Oct 08, 20263870
Oct 07, 2026387+315
Oct 06, 2026720
Oct 05, 2026720
Oct 02, 202672No prior observation